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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "mojo/edk/system/data_pipe.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <limits> | |
| 11 | |
| 12 #include "mojo/edk/system/constants.h" | |
| 13 #include "testing/gtest/include/gtest/gtest.h" | |
| 14 | |
| 15 namespace mojo { | |
| 16 namespace system { | |
| 17 namespace { | |
| 18 | |
| 19 const uint32_t kSizeOfCreateOptions = | |
| 20 static_cast<uint32_t>(sizeof(MojoCreateDataPipeOptions)); | |
| 21 | |
| 22 // Does a cursory sanity check of |validated_options|. Calls | |
| 23 // |ValidateCreateOptions()| on already-validated options. The validated options | |
| 24 // should be valid, and the revalidated copy should be the same. | |
| 25 void RevalidateCreateOptions( | |
| 26 const MojoCreateDataPipeOptions& validated_options) { | |
| 27 EXPECT_EQ(kSizeOfCreateOptions, validated_options.struct_size); | |
| 28 // Nothing to check for flags. | |
| 29 EXPECT_GT(validated_options.element_num_bytes, 0u); | |
| 30 EXPECT_GT(validated_options.capacity_num_bytes, 0u); | |
| 31 EXPECT_EQ(0u, | |
| 32 validated_options.capacity_num_bytes % | |
| 33 validated_options.element_num_bytes); | |
| 34 | |
| 35 MojoCreateDataPipeOptions revalidated_options = {}; | |
| 36 EXPECT_EQ(MOJO_RESULT_OK, | |
| 37 DataPipe::ValidateCreateOptions(MakeUserPointer(&validated_options), | |
| 38 &revalidated_options)); | |
| 39 EXPECT_EQ(validated_options.struct_size, revalidated_options.struct_size); | |
| 40 EXPECT_EQ(validated_options.element_num_bytes, | |
| 41 revalidated_options.element_num_bytes); | |
| 42 EXPECT_EQ(validated_options.capacity_num_bytes, | |
| 43 revalidated_options.capacity_num_bytes); | |
| 44 EXPECT_EQ(validated_options.flags, revalidated_options.flags); | |
| 45 } | |
| 46 | |
| 47 // Checks that a default-computed capacity is correct. (Does not duplicate the | |
| 48 // checks done by |RevalidateCreateOptions()|.) | |
| 49 void CheckDefaultCapacity(const MojoCreateDataPipeOptions& validated_options) { | |
| 50 EXPECT_LE(validated_options.capacity_num_bytes, | |
| 51 kDefaultDataPipeCapacityBytes); | |
| 52 EXPECT_GT(validated_options.capacity_num_bytes + | |
| 53 validated_options.element_num_bytes, | |
| 54 kDefaultDataPipeCapacityBytes); | |
| 55 } | |
| 56 | |
| 57 // Tests valid inputs to |ValidateCreateOptions()|. | |
| 58 TEST(DataPipeTest, ValidateCreateOptionsValid) { | |
| 59 // Default options. | |
| 60 { | |
| 61 MojoCreateDataPipeOptions validated_options = {}; | |
| 62 EXPECT_EQ( | |
| 63 MOJO_RESULT_OK, | |
| 64 DataPipe::ValidateCreateOptions(NullUserPointer(), &validated_options)); | |
| 65 RevalidateCreateOptions(validated_options); | |
| 66 CheckDefaultCapacity(validated_options); | |
| 67 } | |
| 68 | |
| 69 // Size member, but nothing beyond. | |
| 70 { | |
| 71 MojoCreateDataPipeOptions options = { | |
| 72 offsetof(MojoCreateDataPipeOptions, flags) // |struct_size|. | |
| 73 }; | |
| 74 MojoCreateDataPipeOptions validated_options = {}; | |
| 75 EXPECT_EQ(MOJO_RESULT_OK, | |
| 76 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 77 &validated_options)); | |
| 78 RevalidateCreateOptions(validated_options); | |
| 79 CheckDefaultCapacity(validated_options); | |
| 80 } | |
| 81 | |
| 82 // Different flags. | |
| 83 MojoCreateDataPipeOptionsFlags flags_values[] = { | |
| 84 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, | |
| 85 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_MAY_DISCARD}; | |
| 86 for (size_t i = 0; i < arraysize(flags_values); i++) { | |
| 87 const MojoCreateDataPipeOptionsFlags flags = flags_values[i]; | |
| 88 | |
| 89 // Flags member, but nothing beyond. | |
| 90 { | |
| 91 MojoCreateDataPipeOptions options = { | |
| 92 // |struct_size|. | |
| 93 offsetof(MojoCreateDataPipeOptions, element_num_bytes), | |
| 94 flags // |flags|. | |
| 95 }; | |
| 96 MojoCreateDataPipeOptions validated_options = {}; | |
| 97 EXPECT_EQ(MOJO_RESULT_OK, | |
| 98 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 99 &validated_options)); | |
| 100 RevalidateCreateOptions(validated_options); | |
| 101 EXPECT_EQ(options.flags, validated_options.flags); | |
| 102 CheckDefaultCapacity(validated_options); | |
| 103 } | |
| 104 | |
| 105 // Different capacities (size 1). | |
| 106 for (uint32_t capacity = 1; capacity <= 100 * 1000 * 1000; capacity *= 10) { | |
| 107 MojoCreateDataPipeOptions options = { | |
| 108 kSizeOfCreateOptions, // |struct_size|. | |
| 109 flags, // |flags|. | |
| 110 1, // |element_num_bytes|. | |
| 111 capacity // |capacity_num_bytes|. | |
| 112 }; | |
| 113 MojoCreateDataPipeOptions validated_options = {}; | |
| 114 EXPECT_EQ(MOJO_RESULT_OK, | |
| 115 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 116 &validated_options)) | |
| 117 << capacity; | |
| 118 RevalidateCreateOptions(validated_options); | |
| 119 EXPECT_EQ(options.flags, validated_options.flags); | |
| 120 EXPECT_EQ(options.element_num_bytes, validated_options.element_num_bytes); | |
| 121 EXPECT_EQ(options.capacity_num_bytes, | |
| 122 validated_options.capacity_num_bytes); | |
| 123 } | |
| 124 | |
| 125 // Small sizes. | |
| 126 for (uint32_t size = 1; size < 100; size++) { | |
| 127 // Different capacities. | |
| 128 for (uint32_t elements = 1; elements <= 1000 * 1000; elements *= 10) { | |
| 129 MojoCreateDataPipeOptions options = { | |
| 130 kSizeOfCreateOptions, // |struct_size|. | |
| 131 flags, // |flags|. | |
| 132 size, // |element_num_bytes|. | |
| 133 size * elements // |capacity_num_bytes|. | |
| 134 }; | |
| 135 MojoCreateDataPipeOptions validated_options = {}; | |
| 136 EXPECT_EQ(MOJO_RESULT_OK, | |
| 137 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 138 &validated_options)) | |
| 139 << size << ", " << elements; | |
| 140 RevalidateCreateOptions(validated_options); | |
| 141 EXPECT_EQ(options.flags, validated_options.flags); | |
| 142 EXPECT_EQ(options.element_num_bytes, | |
| 143 validated_options.element_num_bytes); | |
| 144 EXPECT_EQ(options.capacity_num_bytes, | |
| 145 validated_options.capacity_num_bytes); | |
| 146 } | |
| 147 | |
| 148 // Default capacity. | |
| 149 { | |
| 150 MojoCreateDataPipeOptions options = { | |
| 151 kSizeOfCreateOptions, // |struct_size|. | |
| 152 flags, // |flags|. | |
| 153 size, // |element_num_bytes|. | |
| 154 0 // |capacity_num_bytes|. | |
| 155 }; | |
| 156 MojoCreateDataPipeOptions validated_options = {}; | |
| 157 EXPECT_EQ(MOJO_RESULT_OK, | |
| 158 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 159 &validated_options)) | |
| 160 << size; | |
| 161 RevalidateCreateOptions(validated_options); | |
| 162 EXPECT_EQ(options.flags, validated_options.flags); | |
| 163 EXPECT_EQ(options.element_num_bytes, | |
| 164 validated_options.element_num_bytes); | |
| 165 CheckDefaultCapacity(validated_options); | |
| 166 } | |
| 167 | |
| 168 // No capacity field. | |
| 169 { | |
| 170 MojoCreateDataPipeOptions options = { | |
| 171 // |struct_size|. | |
| 172 offsetof(MojoCreateDataPipeOptions, capacity_num_bytes), | |
| 173 flags, // |flags|. | |
| 174 size // |element_num_bytes|. | |
| 175 }; | |
| 176 MojoCreateDataPipeOptions validated_options = {}; | |
| 177 EXPECT_EQ(MOJO_RESULT_OK, | |
| 178 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 179 &validated_options)) | |
| 180 << size; | |
| 181 RevalidateCreateOptions(validated_options); | |
| 182 EXPECT_EQ(options.flags, validated_options.flags); | |
| 183 EXPECT_EQ(options.element_num_bytes, | |
| 184 validated_options.element_num_bytes); | |
| 185 CheckDefaultCapacity(validated_options); | |
| 186 } | |
| 187 } | |
| 188 | |
| 189 // Larger sizes. | |
| 190 for (uint32_t size = 100; size <= 100 * 1000; size *= 10) { | |
| 191 // Capacity of 1000 elements. | |
| 192 { | |
| 193 MojoCreateDataPipeOptions options = { | |
| 194 kSizeOfCreateOptions, // |struct_size|. | |
| 195 flags, // |flags|. | |
| 196 size, // |element_num_bytes|. | |
| 197 1000 * size // |capacity_num_bytes|. | |
| 198 }; | |
| 199 MojoCreateDataPipeOptions validated_options = {}; | |
| 200 EXPECT_EQ(MOJO_RESULT_OK, | |
| 201 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 202 &validated_options)) | |
| 203 << size; | |
| 204 RevalidateCreateOptions(validated_options); | |
| 205 EXPECT_EQ(options.flags, validated_options.flags); | |
| 206 EXPECT_EQ(options.element_num_bytes, | |
| 207 validated_options.element_num_bytes); | |
| 208 EXPECT_EQ(options.capacity_num_bytes, | |
| 209 validated_options.capacity_num_bytes); | |
| 210 } | |
| 211 | |
| 212 // Default capacity. | |
| 213 { | |
| 214 MojoCreateDataPipeOptions options = { | |
| 215 kSizeOfCreateOptions, // |struct_size|. | |
| 216 flags, // |flags|. | |
| 217 size, // |element_num_bytes|. | |
| 218 0 // |capacity_num_bytes|. | |
| 219 }; | |
| 220 MojoCreateDataPipeOptions validated_options = {}; | |
| 221 EXPECT_EQ(MOJO_RESULT_OK, | |
| 222 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 223 &validated_options)) | |
| 224 << size; | |
| 225 RevalidateCreateOptions(validated_options); | |
| 226 EXPECT_EQ(options.flags, validated_options.flags); | |
| 227 EXPECT_EQ(options.element_num_bytes, | |
| 228 validated_options.element_num_bytes); | |
| 229 CheckDefaultCapacity(validated_options); | |
| 230 } | |
| 231 | |
| 232 // No capacity field. | |
| 233 { | |
| 234 MojoCreateDataPipeOptions options = { | |
| 235 // |struct_size|. | |
| 236 offsetof(MojoCreateDataPipeOptions, capacity_num_bytes), | |
| 237 flags, // |flags|. | |
| 238 size // |element_num_bytes|. | |
| 239 }; | |
| 240 MojoCreateDataPipeOptions validated_options = {}; | |
| 241 EXPECT_EQ(MOJO_RESULT_OK, | |
| 242 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 243 &validated_options)) | |
| 244 << size; | |
| 245 RevalidateCreateOptions(validated_options); | |
| 246 EXPECT_EQ(options.flags, validated_options.flags); | |
| 247 EXPECT_EQ(options.element_num_bytes, | |
| 248 validated_options.element_num_bytes); | |
| 249 CheckDefaultCapacity(validated_options); | |
| 250 } | |
| 251 } | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 TEST(DataPipeTest, ValidateCreateOptionsInvalid) { | |
| 256 // Invalid |struct_size|. | |
| 257 { | |
| 258 MojoCreateDataPipeOptions options = { | |
| 259 1, // |struct_size|. | |
| 260 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 261 1, // |element_num_bytes|. | |
| 262 0 // |capacity_num_bytes|. | |
| 263 }; | |
| 264 MojoCreateDataPipeOptions unused; | |
| 265 EXPECT_EQ( | |
| 266 MOJO_RESULT_INVALID_ARGUMENT, | |
| 267 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 268 } | |
| 269 | |
| 270 // Unknown |flags|. | |
| 271 { | |
| 272 MojoCreateDataPipeOptions options = { | |
| 273 kSizeOfCreateOptions, // |struct_size|. | |
| 274 ~0u, // |flags|. | |
| 275 1, // |element_num_bytes|. | |
| 276 0 // |capacity_num_bytes|. | |
| 277 }; | |
| 278 MojoCreateDataPipeOptions unused; | |
| 279 EXPECT_EQ( | |
| 280 MOJO_RESULT_UNIMPLEMENTED, | |
| 281 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 282 } | |
| 283 | |
| 284 // Invalid |element_num_bytes|. | |
| 285 { | |
| 286 MojoCreateDataPipeOptions options = { | |
| 287 kSizeOfCreateOptions, // |struct_size|. | |
| 288 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 289 0, // |element_num_bytes|. | |
| 290 1000 // |capacity_num_bytes|. | |
| 291 }; | |
| 292 MojoCreateDataPipeOptions unused; | |
| 293 EXPECT_EQ( | |
| 294 MOJO_RESULT_INVALID_ARGUMENT, | |
| 295 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 296 } | |
| 297 // |element_num_bytes| too big. | |
| 298 { | |
| 299 MojoCreateDataPipeOptions options = { | |
| 300 kSizeOfCreateOptions, // |struct_size|. | |
| 301 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 302 std::numeric_limits<uint32_t>::max(), // |element_num_bytes|. | |
| 303 std::numeric_limits<uint32_t>::max() // |capacity_num_bytes|. | |
| 304 }; | |
| 305 MojoCreateDataPipeOptions unused; | |
| 306 EXPECT_EQ( | |
| 307 MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 308 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 309 } | |
| 310 { | |
| 311 MojoCreateDataPipeOptions options = { | |
| 312 kSizeOfCreateOptions, // |struct_size|. | |
| 313 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 314 std::numeric_limits<uint32_t>::max() - 1000, // |element_num_bytes|. | |
| 315 std::numeric_limits<uint32_t>::max() - 1000 // |capacity_num_bytes|. | |
| 316 }; | |
| 317 MojoCreateDataPipeOptions unused; | |
| 318 EXPECT_EQ( | |
| 319 MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 320 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 321 } | |
| 322 | |
| 323 // Invalid |capacity_num_bytes|. | |
| 324 { | |
| 325 MojoCreateDataPipeOptions options = { | |
| 326 kSizeOfCreateOptions, // |struct_size|. | |
| 327 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 328 2, // |element_num_bytes|. | |
| 329 1 // |capacity_num_bytes|. | |
| 330 }; | |
| 331 MojoCreateDataPipeOptions unused; | |
| 332 EXPECT_EQ( | |
| 333 MOJO_RESULT_INVALID_ARGUMENT, | |
| 334 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 335 } | |
| 336 { | |
| 337 MojoCreateDataPipeOptions options = { | |
| 338 kSizeOfCreateOptions, // |struct_size|. | |
| 339 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 340 2, // |element_num_bytes|. | |
| 341 111 // |capacity_num_bytes|. | |
| 342 }; | |
| 343 MojoCreateDataPipeOptions unused; | |
| 344 EXPECT_EQ( | |
| 345 MOJO_RESULT_INVALID_ARGUMENT, | |
| 346 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 347 } | |
| 348 { | |
| 349 MojoCreateDataPipeOptions options = { | |
| 350 kSizeOfCreateOptions, // |struct_size|. | |
| 351 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 352 5, // |element_num_bytes|. | |
| 353 104 // |capacity_num_bytes|. | |
| 354 }; | |
| 355 MojoCreateDataPipeOptions unused; | |
| 356 EXPECT_EQ( | |
| 357 MOJO_RESULT_INVALID_ARGUMENT, | |
| 358 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 359 } | |
| 360 // |capacity_num_bytes| too big. | |
| 361 { | |
| 362 MojoCreateDataPipeOptions options = { | |
| 363 kSizeOfCreateOptions, // |struct_size|. | |
| 364 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 365 8, // |element_num_bytes|. | |
| 366 0xffff0000 // |capacity_num_bytes|. | |
| 367 }; | |
| 368 MojoCreateDataPipeOptions unused; | |
| 369 EXPECT_EQ( | |
| 370 MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 371 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 372 } | |
| 373 } | |
| 374 | |
| 375 } // namespace | |
| 376 } // namespace system | |
| 377 } // namespace mojo | |
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Chromium Code Reviews
Issue 623883002:
Revert "Move mojo edk into mojo/edk" (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master